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Pull documentation updates from Jonathan Corbet:
"There's been a fair amount going on in the docs tree this time around,
including:
- Support for reproducible document builds, from Ben Hutchings and
company.
- The ability to automatically generate cross-reference links within
a single DocBook book and embedded descriptions for large
structures. From Danilo Cesar Lemes de Paula.
- A new document on how to add a system call from David Drysdale.
- Chameleon bus documentation from Johannes Thumshirn.
...plus the usual collection of improvements, typo fixes, and more"
* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (39 commits)
Documentation, add kernel-parameters.txt entry for dis_ucode_ldr
Documentation/x86: Rename IRQSTACKSIZE to IRQ_STACK_SIZE
Documentation/Intel-IOMMU.txt: Modify definition of DRHD
docs: update HOWTO for 3.x -> 4.x versioning
kernel-doc: ignore unneeded attribute information
scripts/kernel-doc: Adding cross-reference links to html documentation.
DocBook: Fix non-determinstic installation of duplicate man pages
Documentation: minor typo fix in mailbox.txt
Documentation: describe how to add a system call
doc: Add more workqueue functions to the documentation
ARM: keystone: add documentation for SoCs and EVMs
scripts/kernel-doc Allow struct arguments documentation in struct body
SubmittingPatches: remove stray quote character
Revert "DocBook: Avoid building man pages repeatedly and inconsistently"
Documentation: Minor changes to men-chameleon-bus.txt
Doc: fix trivial typo in SubmittingPatches
MAINTAINERS: Direct Documentation/DocBook/media properly
Documentation: installed man pages don't need to be executable
fix Evolution submenu name in email-clients.txt
Documentation: Add MCB documentation
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"Notable changes:
- added support for LTM4675, LTC3886, LTC2980, LTM2987, LTC2975,
LTC3887, LTC3882, MAX20751, ADM1293, and ADM1294 to PMBus drivers
- added support for IT8732F to it87 driver
- added support for AMD Carrizo to fam15h_power driver
- added support for various new attributes to nct7802 driver
- added support for F81866 and F71868 to f71882fg driver"
* tag 'hwmon-for-linus-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (45 commits)
hwmon: (fam15h_power) Add ratio of Tsample to the PTSC period
hwmon: (fam15h_power) Add documentation for new processors support
hwmon: (fam15h_power) Update running_avg_capture bit field to 28
hwmon: (fam15h_power) Rename fam15h_power_is_internal_node0 function
hwmon: (fam15h_power) Add support for AMD Carrizo
hwmon: (ltc2978) Add support for LTM4675
hwmon: (ltc2978) Add polling for chips requiring it
hwmon: (pmbus) Enable PEC if the controller supports it
hwmon: (pmbus) Use BIT macro
hwmon: (ltc2978) Add support for LTC3886
hwmon: (ltc2978) Add support for LTC2980 and LTM2987
hwmon: (ltc2978) Add missing chip IDs for LTC2978 and LTC3882
hwmon: (ltc2978) Use correct ID mask to detect all chips
hwmon: (ltc2978) Introduce helper functions for min and max values
hwmon: (ltc2978) Introduce feature flags
hwmon: (pmbus) Convert command register definitions to enum
hwmon: (ltc2978) Add support for LTC2975
hwmon: (ltc2978) Add support for LTC3887
hwmon: (ltc2978) Add additional chip IDs for LTM4676 and LTM4676A
hwmon: (ltc2978) Add support for LTC3882
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset changes from Sebastian Reichel:
- new reset driver for ZTE SoCs
- add support for sama5d3 reset handling
- overhaul of twl4030 charger driver
- misc fixes and cleanups
* tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (35 commits)
bq2415x_charger: Allow to load and use driver even if notify device is not registered yet
twl4030_charger: fix compile error when TWL4030_MADC not available.
power: bq24190_charger: Fix charge type sysfs property
power: Allow compile test of GPIO consumers if !GPIOLIB
power: Export I2C module alias information in missing drivers
twl4030_charger: Increase current carefully while watching voltage.
twl4030_charger: add ac/mode to match usb/mode
twl4030_charger: add software controlled linear charging mode.
twl4030_charger: enable manual enable/disable of usb charging.
twl4030_charger: allow max_current to be managed via sysfs.
twl4030_charger: distinguish between USB current and 'AC' current
twl4030_charger: allow fine control of charger current.
twl4030_charger: split uA calculation into a function.
twl4030_charger: trust phy to determine when USB power is available.
twl4030_charger: correctly handle -EPROBE_DEFER from devm_usb_get_phy_by_node
twl4030_charger: convert to module_platform_driver instead of ..._probe.
twl4030_charger: use runtime_pm to keep usb phy active while charging.
rx51-battery: Set name to rx51-battery
MAINTAINERS: AVS is not maintained via power supply tree
power: olpc_battery: clean up eeprom read function
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"The big one is support for fake NUMA, splitting a really large machine
in more manageable piece improves performance in some cases, e.g. for
a KVM host.
The FICON Link Incident handling has been improved, this helps the
operator to identify degraded or non-operational FICON connections.
The save and restore of floating point and vector registers has been
overhauled to allow the future use of vector registers in the kernel.
A few small enhancement, magic sys-requests for the vt220 console via
SCLP, some more assembler code has been converted to C, the PCI error
handling is improved.
And the usual cleanup and bug fixing"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (59 commits)
s390/jump_label: Use %*ph to print small buffers
s390/sclp_vt220: support magic sysrequests
s390/ctrlchar: improve handling of magic sysrequests
s390/numa: remove superfluous ARCH_WANT defines
s390/3270: redraw screen on unsolicited device end
s390/dcssblk: correct out of bounds array indexes
s390/mm: simplify page table alloc/free code
s390/pci: move debug messages to debugfs
s390/nmi: initialize control register 0 earlier
s390/zcrypt: use msleep() instead of mdelay()
s390/hmcdrv: fix interrupt registration
s390/setup: fix novx parameter
s390/uaccess: remove uaccess_primary kernel parameter
s390: remove unneeded sizeof(void *) comparisons
s390/facilities: remove transactional-execution bits
s390/numa: re-add DIE sched_domain_topology_level
s390/dasd: enhance CUIR scope detection
s390/dasd: fix failing path verification
s390/vdso: emit a GNU hash
s390/numa: make core to node mapping data dynamic
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Pull xtensa updates from Chris Zankel:
"Xtensa fixes and improvements for 4.3:
- reimplement DMA API using common helpers
- implement counting and sampling perf events using hardware perf
counters
- add fake NMI support for hardware perf counters
- fix THREADPTR register reloading on return to userspace
- keep exception/interrupt stack continuous for debugger
- improve vmlinux.lds.S post-processing"
* tag 'xtensa-20150830' of git://github.com/czankel/xtensa-linux:
xtensa: improve vmlinux.lds.S sed post-processing
xtensa: drop unused irq_err_count
xtensa: implement fake NMI
xtensa: don't touch EXC_TABLE_FIXUP in _switch_to
xtensa: fix kernel register spilling
xtensa: reorganize irq flags tracing
perf tools: xtensa: add DWARF register names
xtensa: implement counting and sampling perf events
xtensa: count software page fault perf events
xtensa: add profiling IRQ type to xtensa_irq_map
xtensa: select PERF_USE_VMALLOC for cache-aliasing configurations
xtensa: move oprofile stack tracing to stacktrace.c
xtensa: keep exception/interrupt stack continuous
xtensa: clean up Kconfig dependencies for custom cores
xtensa: reimplement DMA API using common helpers
xtensa: fix threadptr reload on return to userspace
xtensa: ISS: add missing va_end into split_if_spec
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git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha
Pull alpha update from Matt Turner:
"A single patch for alpha, one that enables ARCH_USE_CMPXCHG_LOCKREF
and offers around an 8% performance improvement on a little benchmark
that you wrote"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha:
alpha: select CONFIG_ARCH_USE_CMPXCHG_LOCKREF.
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k/bootinfo: Use kmemdup rather than duplicating its implementation
m68k/defconfig: Update defconfigs for v4.2-rc1
m68k/defconfig: Disable experimental CONFIG_DM_CACHE
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB and PHY patchset for 4.3-rc1.
As usual, the majority of the changes are in the USB gadget portion of
the tree, lots of little changes all over the place for bugs and new
hardware. Other than that, the normal mix of new hardware support and
bugfixes.
All have been in linux-next with no reported issues"
* tag 'usb-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (261 commits)
USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
USB: ftdi_sio: Added custom PID for CustomWare products
USB: usb_wwan: silence read errors on disconnect
USB: option: silence interrupt errors
USB: symbolserial: Correct transferred data size
USB: symbolserial: Use usb_get_serial_port_data
usb: misc: usbtest: format max packet size for iso transfer
usb: host: ehci-sys: delete useless bus_to_hcd conversion
Revert "usb: interface authorization: Declare authorized attribute"
Revert "usb: interface authorization: Introduces the default interface authorization"
Revert "usb: interface authorization: Control interface probing and claiming"
Revert "usb: interface authorization: Introduces the USB interface authorization"
Revert "usb: interface authorization: SysFS part of USB interface authorization"
Revert "usb: interface authorization: Documentation part"
Revert "usb: interface authorization: Use a flag for the default device authorization"
usb: core: hub: Removed some warnings generated by checkpatch.pl
USB: host: ohci-at91: merge loops in ohci_hcd_at91_drv_probe
USB: host: ohci-at91: merge ohci_at91_of_init in ohci_hcd_at91_drv_probe
USB: host: ohci-at91: depend on OF
USB: host: ohci-at91: move at91_usbh_data definition in c file
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big tty/serial driver update for 4.3-rc1.
Not many major things, a number of driver updates and changes, and the
8250 driver got split up a bit to make it easier to work with by
moving some functions to a new file. Full details are in the
shortlog.
All have been in linux-next with no reported issues"
* tag 'tty-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits)
serial: imx: save and restore context in the suspend path
serial: imx: allow waking up on RTSD
serial: imx: introduce serial_imx_enable_wakeup()
serial: imx: remove unbalanced clk_prepare
serial: 8250: move rx_running out of the bitfield
tty: serial: 8250_omap: do not use RX DMA if pause is not supported
serial:8250_dw: do not alter CTS and DCTS since AFE is enabled
tty: serial: men_z135_uart.c: Don't initialize port->lock
tty: serial: men_z135_uart.c: Fix race between IRQ and set_termios()
serial: 8250: bind to ALi Fast Infrared Controller (ALI5123)
serial: 8250: don't bind to SMSC IrCC IR port
serial: mxs-auart: fix baud rate range
serial: mxs-auart: keep the AUART unit in reset state when not in use
serial: mxs-auart: use a function name to reflect what it really does
serial: 8250_pci: fix mode after S3/S4 resume for F81504/508/512
sc16is7xx: constify devtype
sc16is7xx: support multiple devices
sc16is7xx: save and use per-chip line number
uart: pl011: Add support to ZTE ZX296702 uart
uart: pl011: Improve LCRH register access decision
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big staging driver updates for 4.3-rc1.
Lots of things all over the place, almost all of them trivial fixups
and changes. The usual IIO updates and new drivers and we have added
the MOST driver subsystem which is getting cleaned up in the tree.
The ozwpan driver is finally being deleted as it is obviously
abandoned and no one cares about it.
Full details are in the shortlog, and all of these have been in
linux-next with no reported issues"
* tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (912 commits)
staging/lustre/o2iblnd: remove references to ib_reg_phsy_mr()
staging: wilc1000: fix build warning with setup_timer()
staging: wilc1000: remove DECLARE_WILC_BUFFER()
staging: wilc1000: remove void function return statements that are not useful
staging: wilc1000: coreconfigurator.c: fix kmalloc error check
staging: wilc1000: coreconfigurator.c: use kmalloc instead of WILC_MALLOC
staging: wilc1000: remove unused codes of gps8ConfigPacket
staging: wilc1000: remove unnecessary void pointer cast
staging: wilc1000: remove WILC_NEW and WILC_NEW_EX
staging: wilc1000: use kmalloc instead of WILC_NEW
staging: wilc1000: Process WARN, INFO options of debug levels from user
staging: wilc1000: remove unneeded tstrWILC_MsgQueueAttrs typedef
staging: wilc1000: delete wilc_osconfig.h
staging: wilc1000: delete wilc_log.h
staging: wilc1000: delete wilc_timer.h
staging: wilc1000: remove WILC_TimerStart()
staging: wilc1000: remove WILC_TimerCreate()
staging: wilc1000: remove WILC_TimerDestroy()
staging: wilc1000: remove WILC_TimerStop()
staging: wilc1000: remove tstrWILC_TimerAttrs typedef
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the new patches for the driver core / sysfs for 4.3-rc1.
Very small number of changes here, all the details are in the
shortlog, nothing major happening at all this kernel release, which is
nice to see"
* tag 'driver-core-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
bus: subsys: update return type of ->remove_dev() to void
driver core: correct device's shutdown order
driver core: fix docbook for device_private.device
selftests: firmware: skip timeout checks for kernels without user mode helper
kernel, cpu: Remove bogus __ref annotations
cpu: Remove bogus __ref annotation of cpu_subsys_online()
firmware: fix wrong memory deallocation in fw_add_devm_name()
sysfs.txt: update show method notes about sprintf/snprintf/scnprintf usage
devres: fix devres_get()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver patches from Greg KH:
"Here's the "big" char/misc driver update for 4.3-rc1.
Not much really interesting here, just a number of little changes all
over the place, and some nice consolidation of the nvmem drivers to a
common framework. As usual, the mei drivers stand out as the largest
"churn" to handle new devices and features in their hardware.
All have been in linux-next for a while with no issues"
* tag 'char-misc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits)
auxdisplay: ks0108: initialize local parport variable
extcon: palmas: Fix build break due to devm_gpiod_get_optional API change
extcon: palmas: Support GPIO based USB ID detection
extcon: Fix signedness bugs about break error handling
extcon: Drop owner assignment from i2c_driver
extcon: arizona: Simplify pdata symantics for micd_dbtime
extcon: arizona: Declare 3-pole jack if we detect open circuit on mic
extcon: Add exception handling to prevent the NULL pointer access
extcon: arizona: Ensure variables are set for headphone detection
extcon: arizona: Use gpiod inteface to handle micd_pol_gpio gpio
extcon: arizona: Add basic microphone detection DT/ACPI bindings
extcon: arizona: Update to use the new device properties API
extcon: palmas: Remove the mutually_exclusive array
extcon: Remove optional print_state() function pointer of struct extcon_dev
extcon: Remove duplicate header file in extcon.h
extcon: max77843: Clear IRQ bits state before request IRQ
toshiba laptop: replace ioremap_cache with ioremap
misc: eeprom: max6875: clean up max6875_read()
misc: eeprom: clean up eeprom_read()
misc: eeprom: 93xx46: clean up eeprom_93xx46_bin_read/write
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Pull kvm updates from Paolo Bonzini:
"A very small release for x86 and s390 KVM.
- s390: timekeeping changes, cleanups and fixes
- x86: support for Hyper-V MSRs to report crashes, and a bunch of
cleanups.
One interesting feature that was planned for 4.3 (emulating the local
APIC in kernel while keeping the IOAPIC and 8254 in userspace) had to
be delayed because Intel complained about my reading of the manual"
* tag 'kvm-4.3-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
x86/kvm: Rename VMX's segment access rights defines
KVM: x86/vPMU: Fix unnecessary signed extension for AMD PERFCTRn
kvm: x86: Fix error handling in the function kvm_lapic_sync_from_vapic
KVM: s390: Fix assumption that kvm_set_irq_routing is always run successfully
KVM: VMX: drop ept misconfig check
KVM: MMU: fully check zero bits for sptes
KVM: MMU: introduce is_shadow_zero_bits_set()
KVM: MMU: introduce the framework to check zero bits on sptes
KVM: MMU: split reset_rsvds_bits_mask_ept
KVM: MMU: split reset_rsvds_bits_mask
KVM: MMU: introduce rsvd_bits_validate
KVM: MMU: move FNAME(is_rsvd_bits_set) to mmu.c
KVM: MMU: fix validation of mmio page fault
KVM: MTRR: Use default type for non-MTRR-covered gfn before WARN_ON
KVM: s390: host STP toleration for VMs
KVM: x86: clean/fix memory barriers in irqchip_in_kernel
KVM: document memory barriers for kvm->vcpus/kvm->online_vcpus
KVM: x86: remove unnecessary memory barriers for shared MSRs
KVM: move code related to KVM_SET_BOOT_CPU_ID to x86
KVM: s390: log capability enablement and vm attribute changes
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On Alpha we have spinlocks that are 32b in size and an efficient
cmpxchg64 implementation, so we qualify to make use of cmpxchg backed
lockrefs. Select the ARCH_USE_CMPXCHG_LOCKREF Kconfig symbol and provide
a trivial implementation of arch_spin_value_unlocked to satisfy the
lockref code.
Using Linus' simple testcase from
http://article.gmane.org/gmane.linux.file-systems/77466 on a dual CPU
ES47 system I see around an 8% gain:
N Min Max Median Avg Stddev
x 30 6194580 6295654 6272504 6272514 17694.232
+ 30 6731164 6786334 6767982 6764274 13738.863
Difference at 95.0% confidence
491760 +/- 8188.17
7.83992% +/- 0.130541%
(Student's t, pooled s = 15840.5)
Signed-off-by: Matt Turner <mattst88@gmail.com>
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Linux 4.2
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Commit cf736ea6f902 ("thermal: power_allocator: do not use devm*
interfaces") forgot to change a devm_kcalloc() to just kcalloc(), but
it's corresponding devm_kfree() was changed to kfree(). Allocate with
kcalloc() to match the kfree().
Fixes: cf736ea6f902 ("thermal: power_allocator: do not use devm* interfaces")
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixlet from Tejun Heo:
"Simple blacklist entry addition"
* 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
Add factory recertified Crucial M500s to blacklist
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are stable fixes that have been gathered since rc8: fixes for
HD-audio widget power control regressions since 4.1, a NULL fix for
HD-audio HDMI, a noise fix for Conexant codecs and a quirk addition
for USB-Audio DSD"
* tag 'sound-fix-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix path power activation
ALSA: hda - Check all inputs for is_active_nid_for_any()
ALSA: hda: fix possible NULL dereference
ALSA: hda - Shutdown CX20722 on reboot/free to avoid spurious noises
ALSA: usb: Add native DSD support for Gustard DAC-X20U
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dis_ucode_ldr was introduced in 65cef13 ("x86, microcode: Add a disable
chicken bit") and will disable microcode loading on x86. This kernel
parameter is buried in the code and should be added to the Documentation.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fix MSI/MSI-X on pseries from Guilherme"
* tag 'powerpc-4.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/PCI: Disable MSI/MSI-X interrupts at PCI probe time in OF case
PCI: Make pci_msi_setup_pci_dev() non-static for use by arch code
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Pull networking fixes from David Miller:
"Some straggler bug fixes here:
1) Netlink_sendmsg() doesn't check iterator type properly in mmap
case, from Ken-ichirou MATSUZAWA.
2) Don't sleep in atomic context in bcmgenet driver, from Florian
Fainelli.
3) The pfkey_broadcast() code patch can't actually ever use anything
other than GFP_ATOMIC. And the cases that right now pass
GFP_KERNEL or similar will currently trigger an RCU splat. Just
use GFP_ATOMIC unconditionally. From David Ahern.
4) Fix FD bit timings handling in pcan_usb driver, from Marc
Kleine-Budde.
5) Cache dst leaked in ip6_gre tunnel removal, fix from Huaibin Wang.
6) Traversal into drivers/net/ethernet/renesas should be triggered by
CONFIG_NET_VENDOR_RENESAS, not a particular driver's config
option. From Kazuya Mizuguchi.
7) Fix regression in handling of igmp_join errors in vxlan, from
Marcelo Ricardo Leitner.
8) Make phy_{read,write}_mmd_indirect() properly take the mdio_lock
mutex when programming the registers. From Russell King.
9) Fix non-forced handling in u32_destroy(), from WANG Cong.
10) Test the EVENT_NO_RUNTIME_PM flag before it is cleared in
usbnet_stop(), from Eugene Shatokhin.
11) In sfc driver, don't fetch statistics firmware isn't capable of,
from Bert Kenward.
12) Verify ASCONF address parameter location in SCTP, from Xin Long"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
sctp: donot reset the overall_error_count in SHUTDOWN_RECEIVE state
sctp: asconf's process should verify address parameter is in the beginning
sfc: only use vadaptor stats if firmware is capable
net: phy: fixed: propagate fixed link values to struct
usbnet: Get EVENT_NO_RUNTIME_PM bit before it is cleared
drivers: net: xgene: fix: Oops in linkwatch_fire_event
cls_u32: complete the check for non-forced case in u32_destroy()
net: fec: use reinit_completion() in mdio accessor functions
net: phy: add locking to phy_read_mmd_indirect()/phy_write_mmd_indirect()
vxlan: re-ignore EADDRINUSE from igmp_join
net: compile renesas directory if NET_VENDOR_RENESAS is configured
ip6_gre: release cached dst on tunnel removal
phylib: Make PHYs children of their MDIO bus, not the bus' parent.
can: pcan_usb: don't provide CAN FD bittimings by non-FD adapters
net: Fix RCU splat in af_key
net: bcmgenet: fix uncleaned dma flags
net: bcmgenet: Avoid sleeping in bcmgenet_timeout
netlink: mmap: fix tx type check
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm fixlet from Dan Williams:
"This is a libnvdimm ABI fixup.
I pushed back on this change quite hard given the late date, that it
appears to be purely cosmetic, sysfs is not necessarily meant to be a
user friendly UI, and the kernel interprets the reversed polarity of
the ACPI_NFIT_MEM_ARMED flag correctly. When this flag is set, the
energy source of an NVDIMM is not armed and any new writes to the DIMM
may not be preserved.
However, Bob Moore warned me that it is important to get these things
named correctly wherever they appear otherwise we run the risk of a
less than cautious firmware engineer implementing the polarity the
wrong way. Once a mistake like that escapes into production platforms
the flag becomes useless and we need to move to a new bit position.
Bob has agreed to take a change through ACPICA to rename
ACPI_NFIT_MEM_ARMED to ACPI_NFIT_MEM_NOT_ARMED, and the patch below
from Toshi brings the sysfs representation of these flags in line with
their respective polarities.
Please pull for 4.2 as this is the first kernel to expose the ACPI
NFIT sysfs representation, and this is likely a kernel that firmware
developers will be using for checking out their NVDIMM enabling"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit: Clarify memory device state flags strings
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Commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown")
fixed a problem with excessive retransmissions in the SHUTDOWN_PENDING by not
resetting the association overall_error_count. This allowed the association
to better enforce assoc.max_retrans limit.
However, the same issue still exists when the association is in SHUTDOWN_RECEIVED
state. In this state, HB-ACKs will continue to reset the overall_error_count
for the association would extend the lifetime of association unnecessarily.
This patch solves this by resetting the overall_error_count whenever the current
state is small then SCTP_STATE_SHUTDOWN_PENDING. As a small side-effect, we
end up also handling SCTP_STATE_SHUTDOWN_ACK_SENT and SCTP_STATE_SHUTDOWN_SENT
states, but they are not really impacted because we disable Heartbeats in those
states.
Fixes: Commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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in sctp_process_asconf(), we get address parameter from the beginning of
the addip params. but we never check if it's really there. if the addr
param is not there, it still can pass sctp_verify_asconf(), then to be
handled by sctp_process_asconf(), it will not be safe.
so add a code in sctp_verify_asconf() to check the address parameter is in
the beginning, or return false to send abort.
note that this can also detect multiple address parameters, and reject it.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ACPI 6.0 NFIT Memory Device State Flags in Table 5-129 defines
NVDIMM status as follows. These bits indicate multiple info,
such as failures, pending event, and capability.
Bit [0] set to 1 to indicate that the previous SAVE to the
Memory Device failed.
Bit [1] set to 1 to indicate that the last RESTORE from the
Memory Device failed.
Bit [2] set to 1 to indicate that platform flush of data to
Memory Device failed. As a result, the restored data content
may be inconsistent even if SAVE and RESTORE do not indicate
failure.
Bit [3] set to 1 to indicate that the Memory Device is observed
to be not armed prior to OSPM hand off. A Memory Device is
considered armed if it is able to accept persistent writes.
Bit [4] set to 1 to indicate that the Memory Device observed
SMART and health events prior to OSPM handoff.
/sys/bus/nd/devices/nmemX/nfit/flags shows this flags info.
The output strings associated with the bits are "save", "restore",
"smart", etc., which can be confusing as they may be interpreted
as positive status, i.e. save succeeded.
Change also the dev_info() message in acpi_nfit_register_dimms()
to be consistent with the sysfs flags strings.
Reported-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Toshi Kani <toshi.kani@hp.com>
[ross: rename 'not_arm' to 'not_armed']
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
[djbw: defer adding bit5, HEALTH_ENABLED, for now]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Some of the stats handling code differs based on SR-IOV support,
and SRIOV support is only available if full-featured firmware is
used.
Do not use vadaptor stats if firmware mode is not set to
full-featured.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The fixed link values parsed from the device tree are stored in
the struct fixed_phy member status. The struct phy_device members
speed, duplex were not updated.
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull amr64 kvm fix from Will Deacon:
"We've uncovered a nasty bug in the arm64 KVM code which allows a badly
behaved 32-bit guest to bring down the host. The fix is simple (it's
what I believe we call a "brown paper bag" bug) and I don't think it
makes sense to sit on this, particularly as Russell ended up
triggering this rather than just somebody noticing a potential problem
by inspection.
Usually arm64 KVM changes would go via Paolo's tree, but he's on
holiday at the moment and the deal is that anything urgent gets
shuffled via the arch trees, so here it is.
Summary:
Fix arm64 KVM issue when injecting an abort into a 32-bit guest, which
would lead to an illegal exception return at EL2 and a subsequent host
crash"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: KVM: Fix host crash when injecting a fault into a 32bit guest
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When injecting a fault into a misbehaving 32bit guest, it seems
rather idiotic to also inject a 64bit fault that is only going
to corrupt the guest state. This leads to a situation where we
perform an illegal exception return at EL2 causing the host
to crash instead of killing the guest.
Just fix the stupid bug that has been there from day 1.
Cc: <stable@vger.kernel.org>
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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This patch adds a member (cpu_pwr_sample_ratio) of fam15h_power_data,
that represents the ratio of compute unit power accumulator sample
period to the PTSC counter period.
Tsample: compute unit power accumulator sample period
Tref: the performance timestamp counter period
PTSC: performance timestamp counter
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch updates description of fam15h_power driver, its scope is
extended to family 16h processsors.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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On Carrizo and later platforms, running_avg_capture bit field is
extended to 4:31 (28 bits) from 4:25.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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We rename fam15h_power_is_internal_node0() function to
should_load_on_this_node(), because it may not be node0 from KV and
on, and they are single-node processors.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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AMD Carrizo(Fam15h, M60h) processors can report power1_crit
(ProcessorPwrWatts) and power1_input (CurrPwrWatts) values.
And this patch adds support for CZ.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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printk() supports %*ph format specifier for printing a small buffers,
let's use it intead of %02x %02x...
Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Pull block fixes from Jens Axboe:
"Two fixes in this pull request:
- The writeback regression fix from Tejun, which has been weeks in
the making. This fixes a case where we would sometimes not issue
writeback when we should have.
- An older fix for a memory corruption issue in mtip32xx. It was
deferred since we wanted a better fix for this (driver should not
have to handle that case), but given the timing, it's better to put
the simple fix in for 4.2 release"
* 'for-linus' of git://git.kernel.dk/linux-block:
mtip32x: fix regression introduced by blk-mq per-hctx flush
writeback: sync_inodes_sb() must write out I_DIRTY_TIME inodes and always call wait_sb_inodes()
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The Crucial M500 is known to have issues with queued TRIM commands, the
factory recertified SSDs use a different model number naming convention
which causes them to get ignored by the blacklist.
The new naming convention boils down to: s/Crucial_/FC/
Signed-off-by: Guillermo A. Amaral <g@maral.me>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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Implement magic sysrequest handling for the VT220 terminal (also known as
the Integrated ASCII console on the HMC/SE).
To invoke a "magic sysrequest" function, press "Ctrl+o" followed by a
second character that designates the debugging function.
The handling of the sysrq is scheduled away from the SCLP IRQ context;
because large amounts of sysrq output might fill up the console buffers.
The console might deadlock because it cannot empty the buffers while still
in the receiving IRQ context. This behavior is the same as for the SCLP
console.
Reported-by: Horst Weber <hweber@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Extract the sysrq handling from the ctrlchar_handle() into a separate
function that can be directly used by other users.
Introduce a new sysrq_work structure to embed the work_struct and to
specify the magic sysrq function to be invoked.
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The NUMA system call "__ARCH_WANT" defines are not used by the
Linux kernel, therefore remove them.
Fixes: 9df62adffeb0 ("s390/numa: add core infrastructure")
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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If a 3270 terminal is disconnected and later reconnected again,
it gets an unsolicited device end. This is currently ignored and
you have to hit the clear key to get the screen redrawn.
Add an automatic full redraw of the screen for this case.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Since commit 1851617cd2da ("PCI/MSI: Disable MSI at enumeration even if
kernel doesn't support MSI"), the setup of dev->msi_cap/msix_cap and the
disable of MSI/MSI-X interrupts isn't being done at PCI probe time, as
the logic responsible for this was moved in the aforementioned commit
from pci_device_add() to pci_setup_device(). The latter function is not
reachable on PowerPC pseries platform during Open Firmware PCI probing
time.
This exhibits as drivers not being able to enable MSI, eg:
bnx2x 0000:01:00.0: no msix capability found
This patch calls pci_msi_setup_pci_dev() explicitly to disable MSI/MSI-X
during PCI probe time on pSeries platform.
Fixes: 1851617cd2da ("PCI/MSI: Disable MSI at enumeration even if kernel doesn't support MSI")
[mpe: Flesh out change log and clarify comment]
Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Commit 1851617cd2da ("PCI/MSI: Disable MSI at enumeration even if kernel
doesn't support MSI") changed the location of the code that initialises
dev->msi_cap/msix_cap and then disables MSI/MSI-X interrupts at PCI
probe time in devices that have this flag set. It moved the code from
pci_msi_init_pci_dev() to a new function named pci_msi_setup_pci_dev(),
called by pci_setup_device().
The pseries PCI probing code does not call pci_setup_device(), so since
the aforementioned commit the function pci_msi_setup_pci_dev() is not
called and MSI/MSI-X interrupts are left enabled. Additionally because
dev->msi_cap/msix_cap are not initialised no driver can ever enable
MSI/MSI-X.
To fix this, the pseries PCI probe should manually call
pci_msi_setup_pci_dev(), so this patch makes it non-static.
Fixes: 1851617cd2da ("PCI/MSI: Disable MSI at enumeration even if kernel doesn't support MSI")
[mpe: Update change log to mention dev->msi_cap/msix_cap]
Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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It is needed to check EVENT_NO_RUNTIME_PM bit of dev->flags in
usbnet_stop(), but its value should be read before it is cleared
when dev->flags is set to 0.
The problem was spotted and the fix was provided by
Oliver Neukum <oneukum@suse.de>.
Signed-off-by: Eugene Shatokhin <eugene.shatokhin@rosalab.ru>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull LSM regression fix from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
LSM: restore certain default error codes
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm fix from Dan Williams:
"A single fix for status register read size in the nd_blk driver.
The effect of getting the width of this register read wrong is that
all I/O fails when the read returns non-zero. Given the availability
of ACPI 6 NFIT enabled platforms, this could reasonably wait to come
in during the 4.3 merge window with a tag for 4.2-stable. Otherwise,
this makes the 4.2 kernel fully functional with devices that conform
to the mmio-block-apertures defined in the ACPI 6 NFIT (NVDIMM
Firmware Interface Table)"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit, nd_blk: BLK status register is only 32 bits
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[ 1065.801569] Internal error: Oops: 96000006 [#1] SMP
...
[ 1065.866655] Hardware name: AppliedMicro Mustang/Mustang, BIOS 1.1.0 Apr 22 2015
[ 1065.873937] Workqueue: events_power_efficient phy_state_machine
[ 1065.879837] task: fffffe01de105e80 ti: fffffe00bcf18000 task.ti: fffffe00bcf18000
[ 1065.887288] PC is at linkwatch_fire_event+0xac/0xc0
[ 1065.892141] LR is at linkwatch_fire_event+0xa0/0xc0
[ 1065.896995] pc : [<fffffe000060284c>] lr : [<fffffe0000602840>] pstate: 200001c5
[ 1065.904356] sp : fffffe00bcf1bd00
...
[ 1066.196813] Call Trace:
[ 1066.199248] [<fffffe000060284c>] linkwatch_fire_event+0xac/0xc0
[ 1066.205140] [<fffffe000061167c>] netif_carrier_off+0x54/0x64
[ 1066.210773] [<fffffe00004f1654>] phy_state_machine+0x120/0x3bc
[ 1066.216578] [<fffffe00000d8d10>] process_one_work+0x15c/0x3a8
[ 1066.222296] [<fffffe00000d9090>] worker_thread+0x134/0x470
[ 1066.227757] [<fffffe00000df014>] kthread+0xe0/0xf8
[ 1066.232525] Code: 97f65ee9 f9420660 d538d082 8b000042 (885f7c40)
The fix is to call phy_disconnect() from xgene_enet_mdio_remove,
which in turn call cancel_delayed_work_sync().
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 1e052be69d04 ("net_sched: destroy proto tp when all filters are gone")
I added a check in u32_destroy() to see if all real filters are gone
for each tp, however, that is only done for root_ht, same is needed
for others.
This can be reproduced by the following tc commands:
tc filter add dev eth0 parent 1:0 prio 5 handle 15: protocol ip u32 divisor 256
tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:2 u32
ht 15:2: match ip src 10.0.0.2 flowid 1:10
tc filter add dev eth0 protocol ip parent 1: prio 5 handle 15:2:3 u32
ht 15:2: match ip src 10.0.0.3 flowid 1:10
Fixes: 1e052be69d04 ("net_sched: destroy proto tp when all filters are gone")
Reported-by: Akshat Kakkar <akshat.1984@gmail.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While in most cases commit b1d9e6b064 ("LSM: Switch to lists of hooks")
retained previous error returns, in three cases it altered them without
any explanation in the commit message. Restore all of them - in the
security_old_inode_init_security() case this led to reiserfs using
uninitialized data, sooner or later crashing the system (the only other
user of this function - ocfs2 - was unaffected afaict, since it passes
pre-initialized structures).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
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